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What Can a Smart Car Key Fob Do For You? Also known as fobs, keyless entry or smart keys, they were introduced by Mercedes in 1998. They are computer-controlled and capable of performing various tasks like locking and unlocking your car or starting it. They function by broadcasting an encrypted and rolling signal. This keeps them safer from thieves who are tech-savvy. Safety A smart key fob continually communicates with vehicles using radiofrequency signals. It sends a low-power signal that, upon pressing it, signals the vehicle to open doors and start the engine. The car can recognize the unique encrypted code from a specific keyfob. This means that even when the key fob is stolen, it can't be used to start the car. A new hack allows thieves to take advantage of this method of communication. Relay attacks utilize devices that transmit on the exact frequency as the key fob. How Stuff Works Electronics says that thieves can put one of these devices into the pocket or hidden area to block the lock command remotely. This is a problem that could become more frequent, as more drivers adopt smart keys. Apart from these security options, smart key fobs can simplify your life by automatically attending to the needs of your vehicle. For instance a key fob linked to your smartphone could detect your presence and open the doors so that it's not necessary to press the remote button. It can also recognize that you're leaving the vehicle and automatically lock it, so that you will not forget to lock the doors. A lot of smart key fobs include a battery indicator that warns you ahead of time when the battery is getting low. And replacing the battery in the majority of models is a simple and easy process that does not require any special tools. Convenience Smart keys do not have to be physically inserted in an ignition slot to open or start the vehicle. BMW Group explains that the driver only needs to bring the key within reach of the car. In reality, some smart keys, such as the Display Key, come with tiny LCD touchscreen that enables users to access features like locking, unlocking, and keyless start right from their key fobs without having to connect to the car's Bluetooth system. A smart key can save drivers time by automating the locking of their doors after they leave. This feature is available in a wide range of automobiles, according to Consumer Reports, and can help maneuver into tight parking spots without accidentally squeezing something or the person. Furthermore, smart key systems generally do not transmit the same frequency signal over and over which could make them more vulnerable to relay attacks, explains Open Road Auto Group. As such the vehicle that is stolen cannot be connected to a hotwire if equipped with a smart key because the encrypted signal that the key fob transmits is unique to each vehicle. This makes it very difficult for thieves to steal the car. Security Some of the high-tech electronic features in today's newer automobiles can be found in the key fob. These devices do much more than simply lock and unlock doors, or make chirping noises to help drivers find their car in a parking area However, some drivers may not be aware of all the things these smart key fobs are able to do. For instance, certain smart keys can turn on windows that are automatically opened and sunroof when hit. One auto editor in CR walked into her Honda Accord to find the windows shut and the sunroof wide open. This was one of the reasons she was thankful for her Smart Key, which locked the vehicle automatically. According to How Stuff Works, some smart keys use computer encrypted signals to stop car thieves. This technology can prevent hotwiring in which thieves steal a vehicle's engine controller module (ECM) which is typically located in front of the engine. The ECM controls a variety of vital functions, such as transmission control and engine power. Other technologies used in smart keys include anti-theft coding and a security ID unique to each key. This can block the ignition if it's not the right one. The security ID is a digit that is transmitted by the ECM from the key to the ignition and then confirmed by a sensor in the car. Maintenance Smart car key fobs can do much more than unlock the door. It can start your engine, and also activate the suspension and brakes remotely. It also can provide information about your vehicle like the level of fuel and the temperature of your oil. Like all electronic equipment smart car key fob needs regular maintenance in order to function effectively. Key fobs that are modern have indicators for batteries that inform the driver when the battery is running low. It is simple to replace the battery and you don't require any special tools. In certain situations, however, a smart key might stop working completely. If you suspect this to be the case, you can reset it by leaving the vehicle and then re-entering it. G28 can help the car recognize that the fob is in place and allow it to return to normal operation. Get in touch with a locksmith if cannot get the key fob to work. They can reprogram it to ensure that your vehicle recognizes it once more and allows you to use all of its features. This is typically cheaper than buying a new fob and can save you money over time. In some cases locksmiths can repair an existing fob to allow it to be used to make an entirely new key. This could save you money in the end.